JP5705323B2 - 放熱特性が向上した高光力led光源構造体 - Google Patents
放熱特性が向上した高光力led光源構造体 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/647—Heat extraction or cooling elements the elements conducting electric current to or from the semiconductor body
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09054—Raised area or protrusion of metal substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
- Led Devices (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
換言すれば、本実施例では、LEDチップ40の位置を高くする構造を採用することにより、LEDチップ40から発生した光の出力が低下するのを防止でき、光損失防止による光出力向上及び省エネルギーを実現することができる。
Claims (8)
- LEDチップを実装し、LEDチップの点灯によって発生する熱を外部へ放出し得るようにするLED光源構造体であって、
電気伝導性を有する金属体からなる第1の電極ユニット10と、
前記第1の電極ユニット10の下側に密着配置されて、電気伝導性及び熱伝導性を有する材質からなり、前記第1の電極ユニット10と電気的に絶縁される第2の電極ユニット20と、前記第1の電極ユニット10と前記第2の電極ユニット20を両電極として使用するように設けられるLEDチップ40とを備え、
前記第1の電極ユニット10は、一端又は両端に1つ以上の第1の電極連結部11が設けられるとともに、1つ以上の貫通孔12が設けられ、貫通孔12に隣接して第1の電極部13が上面に構成され、
前記第2の電極ユニット20は、一端又は両端に1つ以上の第2の電極連結部21が設けられ、
一方、前記第1の電極ユニット10上に積層され、貫通孔12と第1の電極部13に対応する電極連結孔33が形成される電気非伝導性を有する絶縁体30が設けられており、
前記LEDチップ40は、絶縁体30上に実装され、電極連結孔33を通じて第1の電極部13により第1の電極ユニット10に連結され、貫通孔12を通じて第2の電極ユニット20に連結され、第1の電極ユニット10及び第2の電極ユニット20は、LEDチップ40と面接触して、LEDチップ40で発生する熱を直接伝導して大気中に放出することを特徴とする放熱特性が向上した高光力LED光源構造体。 - 前記第1の電極連結部11、第1の電極部13及び少なくとも第2の電極ユニット20において貫通孔12に対応する部分には、電気伝導性を向上させるためのメッキ層が形成されることを特徴とする請求項1に記載の放熱特性が向上した高光力LED光源構造体。
- 前記絶縁体30において、LEDチップ40が装着される部分は、半球状に窪んだ凹状であり、この窪んだ凹状の中央部分には電極連結孔33が形成され、
前記第2の電極ユニット20には、LEDチップ40の装着高さを増大して光出力を向上させるため、貫通孔12に向けて突出する第2の電極部26が形成されることを特徴とする請求項1に記載の放熱特性が向上した高光力LED光源構造体。 - 前記第2の電極部26は、第2の電極ユニット20の後面への圧力印加により突出し、その突出した高さは、第2の電極ユニット20の厚さの2/3以下であることを特徴とする請求項3に記載の放熱特性が向上した高光力LED光源構造体。
- 前記第2の電極部26の上面には、LEDチップ40と第2の電極ユニット20との間の電気伝導性を向上させるためにメッキ層がさらに形成されることを特徴とする請求項3に記載の放熱特性が向上した高光力LED光源構造体。
- 前記第1の電極ユニット10は、負の電極であり、第2の電極ユニット20は、正の電極であることを特徴とする請求項1乃至4のいずれか1項に記載の放熱特性が向上した高光力LED光源構造体。
- 前記第1の電極ユニット10又は第2の電極ユニット20において、LEDチップ40からの熱伝達が多い電極ユニットの断面積を、他の電極ユニットの断面積に比べて大きく形成することを特徴とする請求項1乃至4のいずれか1項に記載の放熱特性が向上した高光力LED光源構造体。
- 前記第1の電極連結部11は、隣接したLED光源構造体の第2の電極連結部21と連結され、第2の電極連結部21は、他の隣接したLED光源構造体の第1の電極連結部11と連結されることで、ある1つのLED光源構造体が1つ以上の隣接したLED光源構造体と連結できるように、第1の電極連結部11は、第1の電極ユニット10の一端にのみ設けられ、第2の連結部21は、第1の電極ユニット10の他端に対応する第2の電極ユニット20の他端にのみ設けられることを特徴とする請求項1乃至4のいずれか1項に記載の放熱特性が向上した高光力LED光源構造体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0089576 | 2010-09-13 | ||
KR1020100089576A KR101051188B1 (ko) | 2010-09-13 | 2010-09-13 | 방열 특성이 향상된 고광력 led 광원 구조체 |
KR10-2011-0013577 | 2011-02-16 | ||
KR1020110013577A KR101220834B1 (ko) | 2011-02-16 | 2011-02-16 | 방열성능의 향상 및 전압강하의 방지를 위한 고광력 엘이디 광원 구조체 |
PCT/KR2011/006783 WO2012036465A2 (ko) | 2010-09-13 | 2011-09-14 | 방열특성이 향상된 고광력 led 광원 구조체 |
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JP2013541186A JP2013541186A (ja) | 2013-11-07 |
JP5705323B2 true JP5705323B2 (ja) | 2015-04-22 |
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EP (1) | EP2618050A4 (ja) |
JP (1) | JP5705323B2 (ja) |
CN (1) | CN103154607A (ja) |
WO (1) | WO2012036465A2 (ja) |
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DE102012219459A1 (de) * | 2012-10-24 | 2014-04-24 | Osram Gmbh | Leuchtvorrichtung mit kühlkörper und mindestens einer halbleiterlichtquelle |
CN103807628B (zh) * | 2012-11-13 | 2017-12-22 | 欧司朗有限公司 | Led照明装置 |
KR20160106396A (ko) * | 2015-03-02 | 2016-09-12 | 주식회사 비케이테크놀로지 | 리드프레임 및 이를 포함하는 반도체 패키지 |
JP6802620B2 (ja) * | 2015-05-18 | 2020-12-16 | スタンレー電気株式会社 | 半導体発光装置の製造方法及び半導体発光装置 |
CN107131485B (zh) * | 2017-06-16 | 2023-04-25 | 广州市诺思赛光电科技有限公司 | 同一基板上的双光源结构 |
CN107270215A (zh) * | 2017-06-27 | 2017-10-20 | 佛山肆强科技有限公司 | 利用传热部件单极导电的led灯体及其导电方法和led车灯 |
JP7088985B2 (ja) * | 2020-06-05 | 2022-06-21 | スタンレー電気株式会社 | 半導体発光装置の製造方法、積層基板の製造方法、及び半導体発光装置 |
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CN1153287C (zh) * | 2001-03-09 | 2004-06-09 | 矽品精密工业股份有限公司 | 具有内嵌式散热块的半导体封装件 |
ATE425556T1 (de) * | 2001-04-12 | 2009-03-15 | Matsushita Electric Works Ltd | Lichtquellenbauelement mit led und verfahren zu seiner herstellung |
CN1220283C (zh) * | 2001-04-23 | 2005-09-21 | 松下电工株式会社 | 使用led芯片的发光装置 |
JP4122743B2 (ja) * | 2001-09-19 | 2008-07-23 | 松下電工株式会社 | 発光装置 |
US6999318B2 (en) * | 2003-07-28 | 2006-02-14 | Honeywell International Inc. | Heatsinking electronic devices |
JP2005136224A (ja) * | 2003-10-30 | 2005-05-26 | Asahi Kasei Electronics Co Ltd | 発光ダイオード照明モジュール |
KR100629496B1 (ko) * | 2005-08-08 | 2006-09-28 | 삼성전자주식회사 | Led 패키지 및 그 제조방법 |
JP4829577B2 (ja) * | 2005-09-20 | 2011-12-07 | パナソニック電工株式会社 | 発光装置 |
JP4623730B2 (ja) * | 2005-10-11 | 2011-02-02 | シチズン電子株式会社 | 発光ダイオード光源ユニットを用いた発光ダイオード光源 |
KR100726969B1 (ko) * | 2005-11-28 | 2007-06-14 | 한국광기술원 | 서브마운트를 적용하지 않는 고방열기판을 구비한발광다이오드 패키지 |
JP4978053B2 (ja) * | 2006-05-02 | 2012-07-18 | 日亜化学工業株式会社 | 発光装置及び照明装置 |
KR20080000241U (ko) * | 2006-08-25 | 2008-02-28 | 윤 타이 | Led 모듈 |
TWM317075U (en) * | 2006-08-25 | 2007-08-11 | Yun Dai | Heat dissipation structure of light emitting diode |
US20080067526A1 (en) * | 2006-09-18 | 2008-03-20 | Tong Fatt Chew | Flexible circuits having improved reliability and thermal dissipation |
JP2008103402A (ja) * | 2006-10-17 | 2008-05-01 | C I Kasei Co Ltd | 上下電極型発光ダイオード用パッケージ集合体および上下電極型発光ダイオード用パッケージ集合体の製造方法 |
KR100855065B1 (ko) * | 2007-04-24 | 2008-08-29 | 삼성전기주식회사 | 발광 다이오드 패키지 |
JP5084693B2 (ja) * | 2008-10-21 | 2012-11-28 | 電気化学工業株式会社 | 発光装置および発光素子搭載用基板 |
KR101517930B1 (ko) * | 2008-12-11 | 2015-05-06 | 주식회사 케이엠더블유 | 고방열 기판을 구비하는 멀티칩 엘이디 패키지 |
KR100939304B1 (ko) * | 2009-06-18 | 2010-01-28 | 유트로닉스주식회사 | Led어레이모듈 및 그 제조방법 |
-
2011
- 2011-09-14 JP JP2013525849A patent/JP5705323B2/ja not_active Expired - Fee Related
- 2011-09-14 EP EP11825425.9A patent/EP2618050A4/en not_active Withdrawn
- 2011-09-14 WO PCT/KR2011/006783 patent/WO2012036465A2/ko active Application Filing
- 2011-09-14 CN CN2011800406749A patent/CN103154607A/zh active Pending
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EP2618050A4 (en) | 2014-08-27 |
JP2013541186A (ja) | 2013-11-07 |
WO2012036465A3 (ko) | 2012-05-31 |
WO2012036465A2 (ko) | 2012-03-22 |
CN103154607A (zh) | 2013-06-12 |
EP2618050A2 (en) | 2013-07-24 |
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